| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did it [adv] occur to | 6 |
|
| 2 | did it [adv] occur [prep] | 6 |
|
| 3 | did it [adv] occur [prep] | 6 |
|
| 4 | did it [adv] occur to | 6 |
|
